lag angle of

The experiment and calculating example show when concentration of polymer solution increases angle of lag of valve ball opening increases and pump admission coefficient drops.

试验和计算实例表明，随着聚合物浓度的增加，阀球开启滞后角度增大，泵充满系数降低。

Local strain concentration in angle-ply lay caused by transverse crack of circular lay in composite pressure vessel was studied by means of advanced shear-lag method.

利用改进的剪切滞后法，研究了组成纤维缠绕压力容器中的环向层的横向开裂而在纵向层中引起的局部应变集中。

Look from the Angle of the business per se, there is low the product structure beyond reason, the operating management level, the technique equipage lag, the product quality bad etc. subject.

从企业自身的角度看，有产品结构不合理、经营管理水平低，技术装备落后，产品质量差等问题。